204920275

素因数分解:

$5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 299980800

約数和(自身を除く): 95060525

約数列:

[1, 5, 7, 25, 35, 59, 89, 175, 223, 295, 413, 445, 623, 1115, 1475, 1561, 2065, 2225, 3115, 5251, 5575, 7805, 10325, 13157, 15575, 19847, 26255, 36757, 39025, 65785, 92099, 99235, 131275, 138929, 183785, 328925, 460495, 496175, 694645, 918925, 1170973, 2302475, 3473225, 5854865, 8196811, 29274325, 40984055, 204920275]

約数ペア:

[(1, 204920275), (5, 40984055), (7, 29274325), (25, 8196811), (35, 5854865), (59, 3473225), (89, 2302475), (175, 1170973), (223, 918925), (295, 694645), (413, 496175), (445, 460495), (623, 328925), (1115, 183785), (1475, 138929), (1561, 131275), (2065, 99235), (2225, 92099), (3115, 65785), (5251, 39025), (5575, 36757), (7805, 26255), (10325, 19847), (13157, 15575)]